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热词
    • 1. 发明授权
    • Recording and/or reproducing apparatus with switching unit for switching
a running state of a magnetic tape
    • 具有用于切换磁带的运行状态的切换单元的记录和/或再现装置
    • US5903412A
    • 1999-05-11
    • US957939
    • 1997-10-27
    • Eiji IdeShuji Koseki
    • Eiji IdeShuji Koseki
    • G11B15/44G11B15/18G11B5/008
    • G11B15/442
    • A recording and/or reproducing apparatus employing a tape cassette having a magnetic tape wound about a pair of tape reels includes a supply side reel block, a takeup side reel block, a capstan arbor, a driving unit and a switching unit. The supply side reel block rotationally drives a supply side tape reel and includes a supply side reel block gear portion. The takeup side reel block rotationally drives a takeup side tape reel and includes a takeup side reel block gear portion. A capstan arbor runs the magnetic tape. The driving unit selectively runs the supply side reel block gear portion and the takeup side reel block gear portion in rotation by engaging the gear portions with each other. The driving unit includes a driving source and an intermediate gear for transmitting the driving power from the driving source to the supply side reel block gear portion, takeup side reel block gear portion and to the capstan arbor. The switching unit switches an running state of the magnetic tape by the actuating member being thrust from its initial position. The actuating member is thrust for moving the intermediate gear along its axis of rotation for transmitting the driving power from the driving source to one of the supply side reel block gear portion and the takeup side reel block gear portion and to the capstan arbor.
    • 使用具有缠绕在一对磁带卷轴上的磁带的磁带盒的记录和/或再现装置包括供给侧卷轴块,卷绕侧卷轴块,主导轴心轴,驱动单元和切换单元。 供给侧卷盘块旋转地驱动供给侧带卷轴,并且包括供给侧卷轴块齿轮部。 卷绕侧卷盘盒旋转地驱动卷取侧带卷轴,并且包括卷绕侧卷轴块齿轮部。 绞盘轴运行磁带。 驱动单元通过使齿轮部彼此接合来选择性地使供给侧卷轴块齿轮部和卷绕侧卷轴块齿轮部旋转。 驱动单元包括驱动源和用于将驱动力从驱动源传递到供给侧卷轴块齿轮部分,卷绕侧卷轴块齿轮部分和主导轴心轴的中间齿轮。 切换单元通过从其初始位置推动的致动构件来切换磁带的运行状态。 致动构件被推动用于沿其旋转轴线移动中间齿轮,以将驱动力从驱动源传递到供给侧卷轴块齿轮部分和卷绕侧卷轴块齿轮部分之一以及主导轴心轴。